Barbital Chemische Eigenschaften,Einsatz,Produktion Methoden
R-S?tze Betriebsanweisung:
R22:Gesundheitssch?dlich beim Verschlucken.
R39/23/24/25:Giftig: ernste Gefahr irreversiblen Schadens durch Einatmen, Berührung mit der Haut und durch Verschlucken.
R23/24/25:Giftig beim Einatmen, Verschlucken und Berührung mit der Haut.
R11:Leichtentzündlich.
S-S?tze Betriebsanweisung:
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn m?glich, dieses Etikett vorzeigen).
S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
S16:Von Zündquellen fernhalten - Nicht rauchen.
S7:Beh?lter dicht geschlossen halten.
Beschreibung
Barbital is an analytical reference material that is categorized as a barbiturate. It acts as an agonist at GABA
A receptors to induce central nervous system depression. Formulations containing barbital have been used as a sedative to treat insomnia and seizures in human and veterinary medicine. Barbital is regulated as a Schedule IV compound in the United States. This product is intended for research and forensic applications.
Chemische Eigenschaften
White crystals or powder; bitter taste;
odorless. Stable in air. Soluble in
hot water, alcohol, ether, acetone, and ethyl acetate.
Verwenden
Prototype of the barbiturate hypnotics.
Definition
ChEBI: A member of the class of barbiturates, the structure of which is that of barbituric acid substituted at C-5 by two ethyl groups. Formerly used as a hypnotic (sleeping aid).
Weltgesundheitsorganisation (WHO)
Barbital is a long-acting barbiturate which is controlled under
Schedule IV of the 1971 Convention on Psychotropic Substances. See WHO
comment for barbiturates.
(Reference: (UNCPS4) United Nations Convention on Psychotropic Substances (IV),
, , 1971)
Sicherheitsprofil
Poison by ingestion, intravenous,intraperitoneal, and subcutaneous routes. Ingestion causespsychological effects in humans. Mutation data reported.When heated to decomposition it emits toxic fumes ofNOx. An hypnotic andsedative.
l?uterung methode
Crystallise barbital from water or EtOH and dry it in a vacuum over P2O5. [Beilstein 24 III/IV 1901.]
Barbital Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte